OBD Guide
ENFRDEESPT

U01A6

Lost Communication With Hybrid/EV Battery Interface Control Module G

U01A6 is an OBD-II diagnostic trouble code meaning: Lost Communication With Hybrid/EV Battery Interface Control Module G. Common causes: open or short circuit in the can bus, poor contact in battery control module connectors. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • The car goes into emergency mode
  • Reduced power or inability to use electric mode
  • Errors in the hybrid/electric powertrain system
  • Inability to charge the battery

Causes

  • Open or short circuit in the CAN bus
  • Poor contact in battery control module connectors
  • Battery management module malfunction
  • Problems with module power supply (blown fuse)
  • Software error in control module

How to Fix

  1. Check the integrity of the CAN bus and connections
  2. Inspect the battery control module connectors for corrosion or damage.
  3. Check fuses associated with the module
  4. Scan the module for additional errors
  5. If necessary, replace or reflash the battery management module
  6. Repair only from an authorized dealer

Related codes

U01A5U01A7U0100

Error U01A6 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U01A6 code mean?

U01A6 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Hybrid/EV Battery Interface Control Module G

What causes a U01A6 error code?

The most common causes of U01A6 include: Open or short circuit in the CAN bus; Poor contact in battery control module connectors; Battery management module malfunction; Problems with module power supply (blown fuse).

How do I fix a U01A6 diagnostic trouble code?

To fix U01A6: Check the integrity of the CAN bus and connections. Inspect the battery control module connectors for corrosion or damage.. Check fuses associated with the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U01A6?

Yes, but get it checked soon

How much does it cost to fix U01A6?

The estimated repair cost for U01A6 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat